78665972

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 183399552

約数和(自身を除く): 104733580

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 107, 121, 124, 154, 196, 214, 217, 242, 308, 341, 428, 434, 484, 539, 682, 749, 847, 868, 1078, 1177, 1364, 1498, 1519, 1694, 2156, 2354, 2387, 2996, 3038, 3317, 3388, 3751, 4708, 4774, 5243, 5929, 6076, 6634, 7502, 8239, 9548, 10486, 11858, 12947, 13268, 15004, 16478, 16709, 20972, 23219, 23716, 25894, 26257, 32956, 33418, 36487, 46438, 51788, 52514, 57673, 66836, 72974, 90629, 92876, 105028, 115346, 145948, 162533, 181258, 183799, 230692, 255409, 325066, 362516, 367598, 401357, 510818, 634403, 650132, 735196, 802714, 1021636, 1268806, 1605428, 1787863, 2537612, 2809499, 3575726, 5618998, 7151452, 11237996, 19666493, 39332986, 78665972]

約数ペア:

[(1, 78665972), (2, 39332986), (4, 19666493), (7, 11237996), (11, 7151452), (14, 5618998), (22, 3575726), (28, 2809499), (31, 2537612), (44, 1787863), (49, 1605428), (62, 1268806), (77, 1021636), (98, 802714), (107, 735196), (121, 650132), (124, 634403), (154, 510818), (196, 401357), (214, 367598), (217, 362516), (242, 325066), (308, 255409), (341, 230692), (428, 183799), (434, 181258), (484, 162533), (539, 145948), (682, 115346), (749, 105028), (847, 92876), (868, 90629), (1078, 72974), (1177, 66836), (1364, 57673), (1498, 52514), (1519, 51788), (1694, 46438), (2156, 36487), (2354, 33418), (2387, 32956), (2996, 26257), (3038, 25894), (3317, 23716), (3388, 23219), (3751, 20972), (4708, 16709), (4774, 16478), (5243, 15004), (5929, 13268), (6076, 12947), (6634, 11858), (7502, 10486), (8239, 9548)]